Hughes D C, Thompson G K, Mueller T. "一种的合成方法" [P]. US Patent, US 9133771 B2, 2019-10-15.
发明人胡光,何建平,刘建华. "Method for the Synthesis of 1-(3-Hydroxy-7,8-dihydropyrido[4,3-c]pyridazin-6(5H)-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 108078048 B, 授权公告日 2020-12-16.
发明人朱建伟,黄志刚,杨光. "A Process for Preparing High-Purity 1-(3-Hydroxy-7,8-dihydropyrido[4,3-c]pyridazin-6(5H)-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 113570354 B, 授权公告日 2015-01-03.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 1067, 2566-2571.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 374, 8289-8311.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Hydroxy-7,8-dihydropyrido[4,3-c]pyridazin-6(5H)-yl)ethan-1-one Using HRMS and NMR". J. Agric. Food Chem., 2013, 863, (2), 2949-2960.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1774, (7), 2373-2376.